Carrier Grade IPv6 without Service Modules

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Lee Alexander
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1 This module describes how to implement the Carrier Grade IPv6 (CGv6) without Services Modules. Configuring MAP-E without service modules, on page 1 MAP-T without Service Cards, on page 7 Configuring MAP-T without Service Cards, on page 8 Configuring MAP-E without service modules This feature allows to configure Mapping of Address and Portal-Encapsulation Mode (MAP-E) CGN solution without service cards (ISM or VSM). The CGN application directly interacts with the line cards to configure MAP-E. Configuring MAP-E instances without service modules Perform these tasks to configure MAP-E without service modules. SUMMARY STEPS configure service cgv6 instance-name service-inlineinterface-name service-type map-e instance-name end or commit DETAILED STEPS Step 1 configure Enters global configuration mode. RP/0/RSP0/CPU0:routerco# configure Step 2 service cgv6 instance-name Configures the instance for the CGv6 application and enters CGv6 configuration mode. 1

2 Configuring cpe domain parameters without service modules RP/0/RSP0/CPU0:router(config)# service Cgv6 cgv6-1 RP/0/RSP0/CPU0:router(config-cgv6)# Step 3 service-inlineinterface-name RP/0/RSP0/CPU0:router(config-cgv6)#Service-inline interface TenGigE0/0/0/0 Configures the service-inline interface. Step 4 Step 5 service-type map-e instance-name RP/0/RSP0/CPU0:router(config-cgv6) #service-type map-e map1 RP/0/RSP0/CPU0:router(config-cgV6-map_e)# end or commit RP/0/RSP0/CPU0:router(config-cgv6-map_e)# end or RP/0/RSP0/CPU0:router(config-cgv6-map_e)# Commit Configures the service type keyword definition for CGv6 MAP-E application. Saves configuration changes. When you issue the end command, the system prompts you to commit changes: Uncommitted changes found, commit them before exiting (yes/no/cancel)? [cancel]: Entering yes saves configuration changes to the running configuration file, exits the configuration session, and returns the router to EXEC mode. Entering no exits the configuration session and returns the router to EXEC mode without Entering cancel leaves the router in the current configuration session without exiting or Use the commit command to save the configuration changes to the running configuration file and remain within the configuration session. Configuring cpe domain parameters without service modules Perform this task to configure cpe domain interface for MAP-E without service modules. SUMMARY STEPS 1. configure 2. service cgv6 instance-name 3. service-inline interface-name 4. service-type map-e instance-name 2

3 Configuring cpe domain parameters without service modules 5. cpe-domain ipv4 prefix ipv4 adress/prefix cpe-domain ipv6 prefix ipv6 adress/prefix 6. end or commit DETAILED STEPS Step 1 Step 2 configure RP/0/RSP0/CPU0:routerco# configure service cgv6 instance-name RP/0/RSP0/CPU0:router(config)# service Cgv6 cgv6-1 RP/0/RSP0/CPU0:router(config-cgv6)# Enters global configuration mode. Configures the instance for the CGv6 application and enters CGv6 configuration mode. Step 3 service-inline interface-name RP/0/RSP0/CPU0:router(config-cgv6)#Service-inline interface TenGigE0/0/0/0 Configures the service-inline interface. Step 4 service-type map-e instance-name RP/0/RSP0/CPU0:router(config-cgv6) #service-type map-e map1 RP/0/RSP0/CPU0:router(config-cgV6-map_e)# Configures the service type keyword definition for CGv6 MAP-E application. Step 5 cpe-domain ipv4 prefix ipv4 adress/prefix cpe-domain ipv6 prefix ipv6 adress/prefix RP/0/RSP0/CPU0:router(config-cgv6-map_e)#cpe-domain ipv4 prefix /24 RP/0/RSP0/CPU0:router(config-cgv6-map_e)#cpe-domain ipv6 prefix 9020:da8:2::/48 Configures the IPv4 or IPv6 prefixes of the CPE domain parameter without service modules. Step 6 end or commit RP/0/RSP0/CPU0:router(config-cgv6-map_e)# end or RP/0/RSP0/CPU0:router(config-cgv6-map_e)# Commit Saves configuration changes. When you issue the end command, the system prompts you to commit changes: Uncommitted changes found, commit them before exiting (yes/no/cancel)? [cancel]: Entering yes saves configuration changes to the running configuration file, exits the configuration session, and returns the router to EXEC mode. Entering no exits the configuration session and returns the router to EXEC mode without 3

4 Configuring port sharing ratio and contiguous port without service modules Entering cancel leaves the router in the current configuration session without exiting or Use the commit command to save the configuration changes to the running configuration file and remain within the configuration session. Configuring port sharing ratio and contiguous port without service modules Perform this task to configure port sharing ratio and contiguous port. SUMMARY STEPS 1. configure 2. service cgv6 instance-name 3. service-inline interface-name 4. service-type map-e instance-name 5. cpe-domain ipv4 prefix ipv4 adress/prefix cpe-domain ipv6 prefix ipv6 adress/prefix 6. sharing-ration contiguous-port end or commit DETAILED STEPS Step 1 Step 2 configure RP/0/RSP0/CPU0:routerco# configure service cgv6 instance-name RP/0/RSP0/CPU0:router(config)# service Cgv6 cgv6-1 RP/0/RSP0/CPU0:router(config-cgv6)# Enters global configuration mode. Configures the instance for the CGv6 application and enters CGv6 configuration mode. Step 3 service-inline interface-name RP/0/RSP0/CPU0:router(config-cgv6)#Service-inline interface TenGigE0/0/0/0 Configures the service-inline interface. Step 4 service-type map-e instance-name Configures the service type keyword definition for CGv6 MAP-E application. 4

5 Configuring BR Endpoint Address without modules RP/0/RSP0/CPU0:router(config-cgv6) #service-type map-e map1 RP/0/RSP0/CPU0:router(config-cgV6-map_e)# Step 5 Step 6 Step 7 cpe-domain ipv4 prefix ipv4 adress/prefix cpe-domain ipv6 prefix ipv6 adress/prefix RP/0/RSP0/CPU0:router(config-cgv6-map_e)#cpe-domain ipv4 prefix /24 RP/0/RSP0/CPU0:router(config-cgv6-map_e)#cpe-domain ipv6 prefix 9020:da8:2::/48 sharing-ration 256 RP/0/RSP0/CPU0:router(config-cgv6-map_e)#sharing-ratio 256 contiguous-port 16 RP/0/RSP0/CPU0:router(config-cgv6-map_e)#contiguous-ports 16 Configures the IPv4 or IPv6 prefixes of the CPE domain parameter without service modules. Configures the port sharing ratio. The value for the port sharing ratio is 256. Configures the contiguous port. The value for the contiguous port is 16. Step 8 end or commit RP/0/RSP0/CPU0:router(config-cgv6-map_e)# end or RP/0/RSP0/CPU0:router(config-cgv6-map_e)# Commit Saves configuration changes. When you issue the end command, the system prompts you to commit changes: Uncommitted changes found, commit them before exiting (yes/no/cancel)? [cancel]: Entering yes saves configuration changes to the running configuration file, exits the configuration session, and returns the router to EXEC mode. Entering no exits the configuration session and returns the router to EXEC mode without Entering cancel leaves the router in the current configuration session without exiting or Use the commit command to save the configuration changes to the running configuration file and remain within the configuration session. Configuring BR Endpoint Address without modules Perform this task to configure the BR Endpoint Address without service modules. 5

6 Configuring BR Endpoint Address without modules SUMMARY STEPS 1. configure 2. service cgv6 instance-name 3. service-inline interface-name 4. service-type map-e instance-name 5. cpe-domain ipv4 prefix ipv4 adress/prefix cpe-domain ipv6 prefix ipv6 adress/prefix 6. sharing-ration contiguous-port br-endpoint-adress 9. endor commit DETAILED STEPS Step 1 Step 2 configure RP/0/RSP0/CPU0:routerco# configure service cgv6 instance-name RP/0/RSP0/CPU0:router(config)# service Cgv6 cgv6-1 RP/0/RSP0/CPU0:router(config-cgv6)# Enters global configuration mode. Configures the instance for the CGv6 application and enters CGv6 configuration mode. Step 3 service-inline interface-name RP/0/RSP0/CPU0:router(config-cgv6)#Service-inline interface TenGigE0/0/0/0 Configures the service-inline interface. Step 4 service-type map-e instance-name RP/0/RSP0/CPU0:router(config-cgv6) #service-type map-e map1 RP/0/RSP0/CPU0:router(config-cgV6-map_e)# Configures the service type keyword definition for CGv6 MAP-E application. Step 5 cpe-domain ipv4 prefix ipv4 adress/prefix cpe-domain ipv6 prefix ipv6 adress/prefix RP/0/RSP0/CPU0:router(config-cgv6-map_e)#cpe-domain ipv4 prefix /24 RP/0/RSP0/CPU0:router(config-cgv6-map_e)#cpe-domain ipv6 prefix 9020:da8:2::/48 Configures the IPv4 or IPv6 prefixes of the CPE domain parameter without service modules. Step 6 sharing-ration 256 Configures the port sharing ratio. The value for the port sharing ratio is

7 MAP-T without Service Cards RP/0/RSP0/CPU0:router(config-cgv6-map_e)#sharing-ratio 256 Step 7 Step 8 contiguous-port 16 RP/0/RSP0/CPU0:router(config-cgv6-map_e)#contiguous-ports 16 br-endpoint-adress RP/0/RSP0/CPU0:router(config-cgv6-map_e)#br-endpoint-address 9020:da8:2:ffff::1 Configures the contiguous port. The value for the contiguous port is 16. Configures the br-endpoint-address. Step 9 endor commit RP/0/RSP0/CPU0:router(config-cgv6-map_e)# end or RP/0/RSP0/CPU0:router(config-cgv6-map_e)# Commit Saves configuration changes. When you issue the end command, the system prompts you to commit changes: Uncommitted changes found, commit them before exiting (yes/no/cancel)? [cancel]: Entering yes saves configuration changes to the running configuration file, exits the configuration session, and returns the router to EXEC mode. Entering no exits the configuration session and returns the router to EXEC mode without Entering cancel leaves the router in the current configuration session without exiting or Use the commit command to save the configuration changes to the running configuration file and remain within the configuration session. MAP-T without Service Cards The objective of this feature is to ensure that the Mapping of Address and Port-Translation Mode (MAP-T) CGN solution can be implemented without service cards (VSM/ISM). With this feature, the CGN application directly interacts with the line cards to configure the MAP-T parameters and eliminates the dependency on the service cards. Restrictions MAP-T is supported only on Cisco ASR 9000 Series 400G and 200G Modular Line Cards and Cisco ASR 9000 Series 4-Port and 8-Port 100 Gigabit Ethernet Line Cards. MAP-T without service cards can be enabled only in an L3VPN and a 6VPE cloud set-up. 7

8 Configuring MAP-T without Service Cards If this feature is enabled on an interface, other PBR (policy based routing) features such as CLI PBR, BGP Flow Spec, One Platform Kit (onepk) or OpenFlow may not be functional; this is because only one PBR policy will be allowed on the interface. In a router, only one mode of either inline-service with service card or inline-service without service card will be supported. At a router level, the max scale limit for CPE domain parameters is 25 and for external domain parameters is 8k. If a single MAP-T instance has utilized 25 of CPE domain and 8k of external domain parameters; it is not possible to configure additional CPE and external domain parameters in the same router. Configuring MAP-T without Service Cards To configure a MAP-T without service cards, perform the steps below. SUMMARY STEPS 1. configure 2. service cgv6 instance-name 3. service-inline interface type interface-path-id 4. service-type map-t-ciscoinstance-name 5. cpe-domain ipv4 prefix length value 6. cpe-domain ipv6 vrf vrf-name 7. cpe-domain ipv6 prefix length value 8. sharing rationumber 9. contiguous-portsnumber 10. cpe-domain-name cpe-domain-name ipv4 prefix address/prefix ipv6 prefix address/prefix 11. ext-domain-name ext-domain-name ipv6 prefix address/prefix ipv4-vrf vrf-name 12. commit 13. show policy-map transient type pbr 14. show pbr service-node table summary DETAILED STEPS Step 1 configure RP/0/RP0/CPU0:router# configure Enters global configuration mode. Step 2 service cgv6 instance-name RP/0/RP0/CPU0:router(config)# service cgv6 cgv6-1 RP/0/RP0/CPU0:router(config-cgv6)# Configures the instance for the CGv6 application and enters CGv6 configuration mode. Step 3 service-inline interface type interface-path-id Specifies an Ethernet interface on which the CGv6 service must be enabled. 8

9 Configuring MAP-T without Service Cards RP/0/RP0/CPU0:router(config-cgv6)# service-inline interface TenGigE0/0/0/0/0 RP/0/RP0/CPU0:router(config-cgv6)# Step 4 Step 5 Step 6 service-type map-t-ciscoinstance-name RP/0/RP0/CPU0:router(config-cgv6)# service-type map-t-cisco map1 cpe-domain ipv4 prefix length value RP/0/RP0/CPU0:router(config-cgn-map-t-cisco)# cpe-domain ipv4 prefix length 24 cpe-domain ipv6 vrf vrf-name RP/0/RP0/CPU0:router(config-cgn-map-t-cisco)# cpe-domain ipv6 vrf mapt-v6 Configures the service type keyword definition for CGv6 MAP-T application. application. Configures the IPv4 prefix of the CPE domain Enables Virtual Routing and Forwarding (VRF) for the MAP-T configuration. Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 cpe-domain ipv6 prefix length value RP/0/RP0/CPU0:router(config-cgn-map-t-cisco)#cpe-domain ipv6 prefix length 48 sharing rationumber RP/0/RP0/CPU0:router(config-cgn-map-t-cisco)#sharing-ratio 256 contiguous-portsnumber RP/0/RP0/CPU0:router(config-cgn-map-t-cisco)#contiguous-ports 8 cpe-domain-name cpe-domain-name ipv4 prefix address/prefix ipv6 prefix address/prefix RP/0/RP0/CPU0:router(config-cgn-map-t-cisco)#cpe-domain-name cpe1 ipv4-prefix ipv6-prefix 1000:1000::1 ext-domain-name ext-domain-name ipv6 prefix address/prefix ipv4-vrf vrf-name RP/0/RP0/CPU0:router(config-cgn-map-t-cisco)#ext-domain-name ext1 ipv6-prefix 2000:2000::1/48 ipv4-vrf mapt commit Assigns a value for the ipv6-prefix length to be used as part of the MAP-T instance. Enters global configuration mode. Specifies the Port Set ID (PSID) configuration. Configures IPv4 and IPv6 prefix for a specific CPE domain. Configures IPv6 prefix and IPv4 VRF for the external domain. 9

10 Configuring MAP-T without Service Cards Step 13 Step 14 show policy-map transient type pbr RP/0/RP0/CPU0:router#show policy-map transient type pbr show pbr service-node table summary RP/0/RP0/CPU0:router#show pbr service-node table summary Displays the transient list type pbr of the policy-map. Displays the output for the class-maps. Configuration Example Running Configuration Verification The following example shows the configuration of MAP-T without service cards: RP/0/RP0/CPU0:router#show running-config service cgv6 cgv6-1 service cgv6 cgv6-1 service-inline interface Bundle-Ether2 service-type map-t-cisco mapt1 cpe-domain ipv4 prefix length 24 cpe-domain ipv6 vrf SVRF-003 sharing-ratio 256 contiguous-ports 8 cpe-domain-name cpe1 ipv4-prefix ipv6-prefix 2301:d01:1122:: ext-domain-name ext1 ipv6-prefix 3301:d01:1122::/48 ipv4-vrf VRF-1!! The following example shows the running configuration of MAP-T without service cards: The following example shows the verification output: RP/0/RP0/CPU0:router#show policy-map transient type pbr policy-map type pbr CGN_0 handle:0x table description: L3 IPv4 and IPv6 class handle:0x sequence 1 match destination-address ipv >should match the cpe domain IPV4 address and mask punt service-node index 1001 app-id 0 local-id 0xfa1! class handle:0x sequence 1 match destination-address ipv6 3301:d01:1122::/48--->should match the ext domain IPV6 address and mask punt service-node index 2001 app-id 0 local-id 0x1771! class handle:0xf sequence (class-default)! end-policy-map The following example shows the output for the class-maps: 10

11 Configuring MAP-T without Service Cards RP/0/RP0/CPU0:router#show pbr service-node table summary Service node count: 4 nodeid node0_rsp1_cpu0 Name VIdx Enc CGN_ cgn CGN_ cgn CGN_ cgn CGN_ cgn 11

12 Configuring MAP-T without Service Cards 12

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